21741931 is an odd 8-digits composite number following 21741930
and preceding 21741932 . In scientific notation, it is written as 2.1741931 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 21063360 positive integers (up to 21741931) that are relatively prime to 21741931.
21741931 has 8 divisors, whose sum is 22428000
The reverse of 21741931 is 13914712
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seven hundred forty-one thousand nine hundred thirty-one
Scientific notation
2.1741931 × 10^7
Engineering notation
2.1741931 × 10^6
Prime Factorization
41 × 149 × 3559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21741931
Product of the distinct prime numbers
The prime factorization of 21741931 is 41 × 149 × 3559.
Since it has a total of 3 prime factors.
3 , 1 , 42 , 65 , 52 , 261 , 1275 , 5807 , 10600 , 88366 , 335160 , 737027 , 9695401 , 3701066 , 83854037 , 79858897 , 226838676 , 885843572 , 9592278147 , 2442407970
n×2
43483862
n×3
65225793
n×4
86967724
n×5
108709655
n÷2
10870965.5
n÷3
7247310.3333333
n÷3
5435482.75
n÷5
4348386.2
n2
472711563608761
n3
1.0277662198884E+22
n4
2.2345622236944E+29
n5
4.858369768277E+36
2 √n
4662.8243586908
3 √n
279.10398525392
4 √n
68.284876500516
5 √n
29.339967107448
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21741930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21741931 can be divided by 8 positive divisors.
The sum of these divisors (counting 21741931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010111100000101101011
3
Ternary
1111220121022201
4
Quaternary
1102330011223
5
Quinary
21031220211
6
Senary
2054001031
8
Octal
122740553
10
Decimal
21741931
12
Duodecimal
7346177
16
Hexadecimal
14bc16b
20
Vigesimal
6fhegb
36
Base36
cy06j
md5
ccce8e57756b7367a1e5f0cdcb37448e
sha1
3c5e45e7a01ef7a1469ad6e54bb1cdd0ec96e18f
sha256
f47fb7cacde82d45b24e6d367b82d5d729d820d1e327ba4315c9efa27366cceb
sha512
73e9072d2c8251b5c772ce3e81806bfd73b9905655666c6ea7d1ffcc69dc48e02d40d3e9fa771513741579a10bb6577eb5df7c58d5c8b06269eb00674e5da67c
ripemd-160
b99a0726182d4e7c387db1c1f29a91ed15780812
Diameter
43483862
Circumference
136608581.40891
Area
1.4850671755002E+15
Volume
4.3050970746788E+22
Surface area
5.9402687020009E+15
Circumference
136608581.40891
Perimeter
86967724
Area
472711563608761
Diagonal
30747733.69238
Surface area
2836269381652566
Volume
1.0277662198884E+22
Space diagonal
37658129.146657
Perimeter
65225793
Area
2.0469011137393E+14
Altitude
18829064.573328
Surface area
2.0469011137393E+14
Volume
1.2112341059292E+21
Height
10249244.564127